- Prestwich, Michael. Edward I. Los Angeles: University of California Press, 1998.
- Prestwich, Michael. The Three Edwards: War and State in England 1272-1377. London: Routledge, 2003.
- Williams, Diane M., and John R. Kenyon, eds. The Impact of the Edwardian Castles in Wales: The proceedings of a conference held at Bangor University, 7-9 September 2007. Oxford: Oxbow Books, 2010.
- Coldstream, Nicola. ‘Architects, Advisers and Design at Edward I’s Castles in Wales’, Architectural History 46 (2003): 19-36.
- Kenyon, John R. The Medieval Castles of Wales. Cardiff: University of Wales Press, 2010.
Medieval History from Alfred the Great to The Battle of Castillon